Re: ARM64:Porting xen to new hardware

[bharat gohil <ghl.bhrt@gmail.com>]

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Hello

The patch didn't work in my case.

Thanks,
Bharat

On Mon, Sep 25, 2017 at 11:38 PM, Oleksandr Tyshchenko <olekstysh@gmail.com>
wrote:

> Hi, Bharat
>
> On Mon, Sep 25, 2017 at 8:40 PM, bharat gohil <ghl.bhrt@gmail.com> wrote:
> >
> >
> > On 25-Sep-2017 6:59 PM, "Julien Grall" <julien.grall@arm.com> wrote:
> >
> > Hi,
> >
> > I am using same setup.
> > It just my guess because no response to key ctrl+a input.
> >
> > SoC has 8250 compitible UART.I will print character in receive handler of
> > UART in Xen. Do we have any other hook test this?
>
> Maybe you got stuck in the UART interrupt handler. Can you recheck?
>
> If so, can you take a look at the patch which has been posted recently:
> https://patchwork.kernel.org/patch/9959003/
>
> >
> > One more thing, is big-little supported in xen?
> > How Xen distribute load among the CPUs or Xen only run in context of the
> > guest only?
> > In my setup Dom0 use energy aware scheduler.
> >
> > Thanks,
> > Bharat
> >
> >
> > On 09/25/2017 01:53 PM, bharat gohil wrote:
> >>
> >> Hello Andrii,
> >>
> >> I tried but no success.
> >> It looks, Xen is not running.
> >
> >
> > I am a bit confused... on one of the previous e-mail you posted log from
> > Xen:
> >
> > (XEN) *** Serial input -> DOM0 (type 'CTRL-a' three times to switch
> input to
> > Xen)
> >
> > (XEN) Freed 272kB init memory.
> >
> > So unless you have a completely new setup, Xen is definitely running.
> > However, what may happen is the serial driver in Xen does not receive
> input
> > characters.
> >
> > One of the first test would be to check whether the driver effectively
> > receive characters.
> >
> > Cheers,
> >
> >>
> >> Thanks,
> >> Bharat
> >>
> >>
> >> On Mon, Sep 25, 2017 at 5:45 PM, Andrii Anisov <andrii_anisov@epam.com
> >> <mailto:andrii_anisov@epam.com>> wrote:
> >>
> >>     Hello Bharat,
> >>
> >>
> >>     On 25.09.17 11:42, bharat gohil wrote:
> >>
> >>         Hello Wilk,
> >>
> >>         I had try Ctrl+a three times and 'd' but no dump on the serial
> >>         console.
> >>
> >>     Its a way to switch to XEN debug console. In case you are using
> >>     minicom, you should press Ctrl+A six times, then you will see the
> >>     line like following:
> >>          (XEN) *** Serial input -> Xen (type 'CTRL-a' three times to
> >>     switch input to DOM0)
> >>
> >>     Then you can press 'h' for seeing installed key handlers.
> >>
> >>     But all of this requires XEN to be running somehow.
> >>
> >>     --
> >>     *Andrii Anisov*
> >>
> >>
> >>
> >>
> >>
> >> --
> >> Regards,
> >> Bharat Gohil
> >> Sr.Software Engineer
> >> bharat.gohil@harman.com <mailto:bharat.gohil@harman.com>
> >> +919427054633
> >
> >
> > --
> > Julien Grall
> >
> >
>
>
>
> --
> Regards,
>
> Oleksandr Tyshchenko
>



-- 
Regards,
Bharat Gohil
Sr.Software Engineer
bharat.gohil@harman.com
+919427054633

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